+, -, *, /, ^, and ** (where both ^ and ** indicate exponentiation)
pi and e
sin, cos, tan, sec, cot, csc, arcsin, arccos, arctan, exp, ln, log2, log10, abs, sqrt, trunc, round, floor, ceiling, and cubert. ("cubert" is the cube root function.)
C/Java-style conditional expressions such as "x<y? x : y", which means "if x<y then x otherwise y"